Table 1

Division of study subjects into two groups according to site of disease

Group 1Group 2
PTB, pulmonary tuberculosis; EPTB, extrapulmonary tuberculosis.
Pulmonary TB (PTB)Pulmonary TB
Pulmonary TB + extrapulmonary TB (PTB + EPTB)Pulmonary TB + extrapulmonary TB
EPTB alone